Update time zone data files to tzdata release 2017c.

DST law changes in Fiji, Namibia, Northern Cyprus, Sudan, Tonga,
and Turks & Caicos Islands.  Historical corrections for Alaska, Apia,
Burma, Calcutta, Detroit, Ireland, Namibia, and Pago Pago.

src/timezone/data/antarctica

@@ -26,7 +26,7 @@
 # Heard Island, McDonald Islands (uninhabited)
 #	previously sealers and scientific personnel wintered
 #	Margaret Turner reports
-#	http://web.archive.org/web/20021204222245/http://www.dstc.qut.edu.au/DST/marg/daylight.html
+#	https://web.archive.org/web/20021204222245/http://www.dstc.qut.edu.au/DST/marg/daylight.html
 #	(1999-09-30) that they're UT +05, with no DST;
 #	presumably this is when they have visitors.
 #
@@ -47,7 +47,7 @@
 # http://www.aad.gov.au/default.asp?casid=37079
 #
 # We have more background information here:
-# http://www.timeanddate.com/news/time/antarctica-new-times.html
+# https://www.timeanddate.com/news/time/antarctica-new-times.html
 
 # From Steffen Thorsen (2010-03-10):
 # We got these changes from the Australian Antarctic Division: ...
@@ -62,7 +62,7 @@
 # - Mawson station stays on UTC+5.
 #
 # Background:
-# http://www.timeanddate.com/news/time/antartica-time-changes-2010.html
+# https://www.timeanddate.com/news/time/antartica-time-changes-2010.html
 
 # From Steffen Thorsen (2016-10-28):
 # Australian Antarctica Division informed us that Casey changed time
@@ -145,7 +145,7 @@ Zone Indian/Kerguelen	0	-	-00	1950 # Port-aux-Français
 #
 # year-round base in the main continent
 # Dumont d'Urville, Île des Pétrels, -6640+14001, since 1956-11
-# <http://en.wikipedia.org/wiki/Dumont_d'Urville_Station> (2005-12-05)
+# <https://en.wikipedia.org/wiki/Dumont_d'Urville_Station> (2005-12-05)
 #
 # Another base at Port-Martin, 50km east, began operation in 1947.
 # It was destroyed by fire on 1952-01-14.

src/timezone/data/backward

@@ -61,7 +61,9 @@ Link	America/Sao_Paulo	Brazil/East
 Link	America/Manaus		Brazil/West
 Link	America/Halifax		Canada/Atlantic
 Link	America/Winnipeg	Canada/Central
-Link	America/Regina		Canada/East-Saskatchewan
+# This line is commented out, as the name exceeded the 14-character limit
+# and was an unused misnomer.
+#Link	America/Regina		Canada/East-Saskatchewan
 Link	America/Toronto		Canada/Eastern
 Link	America/Edmonton	Canada/Mountain
 Link	America/St_Johns	Canada/Newfoundland

src/timezone/data/backzone

@@ -181,7 +181,7 @@ Zone	Africa/Lome	0:04:52 -	LMT	1893
 # with the date that it took effect, namely 1912-01-01.
 #
 Zone	Africa/Luanda	0:52:56	-	LMT	1892
-			0:52:04	-	+005204	1912 Jan  1
+			0:52:04	-	LMT	1912 Jan  1 # Luanda Mean Time?
 			1:00	-	WAT
 
 # Democratic Republic of the Congo (east)
@@ -540,10 +540,10 @@ Zone	Europe/Belfast	-0:23:40 -	LMT	1880 Aug  2
 
 # Guernsey
 # Data from Joseph S. Myers
-# http://mm.icann.org/pipermail/tz/2013-September/019883.html
+# https://mm.icann.org/pipermail/tz/2013-September/019883.html
 # References to be added
-# LMT Location - 49.27N -2.33E - St.Peter Port
-Zone	Europe/Guernsey	-0:09:19 -	LMT	1913 Jun 18
+# LMT is for Town Church, St. Peter Port, 49 degrees 27'17"N 2 degrees 32'10"W
+Zone	Europe/Guernsey	-0:10:09 -	LMT	1913 Jun 18
 			 0:00	GB-Eire	%s	1940 Jul  2
 			 1:00	C-Eur	CE%sT	1945 May  8
 			 0:00	GB-Eire	%s	1968 Oct 27
@@ -555,11 +555,11 @@ Zone	Europe/Guernsey	-0:09:19 -	LMT	1913 Jun 18
 #
 # From Lester Caine (2013-09-04):
 # The Isle of Man legislation is now on-line at
-# <http://www.legislation.gov.im>, starting with the original Statutory
+# <https://www.legislation.gov.im>, starting with the original Statutory
 # Time Act in 1883 and including additional confirmation of some of
 # the dates of the 'Summer Time' orders originating at
 # Westminster.  There is a little uncertainty as to the starting date
-# of the first summer time in 1916 which may have be announced a
+# of the first summer time in 1916 which may have been announced a
 # couple of days late.  There is still a substantial number of
 # documents to work through, but it is thought that every GB change
 # was also implemented on the island.
@@ -574,10 +574,10 @@ Zone Europe/Isle_of_Man	-0:17:55 -	LMT	1883 Mar 30  0:00s
 
 # Jersey
 # Data from Joseph S. Myers
-# http://mm.icann.org/pipermail/tz/2013-September/019883.html
+# https://mm.icann.org/pipermail/tz/2013-September/019883.html
 # References to be added
-# LMT Location - 49.187N -2.107E - St. Helier
-Zone	Europe/Jersey	-0:08:25 -	LMT	1898 Jun 11 16:00u
+# LMT is for Parish Church, St. Helier, 49 degrees 11'0.57"N 2 degrees 6'24.33"W
+Zone	Europe/Jersey	-0:08:26 -	LMT	1898 Jun 11 16:00u
 			 0:00	GB-Eire	%s	1940 Jul  2
 			 1:00	C-Eur	CE%sT	1945 May  8
 			 0:00	GB-Eire	%s	1968 Oct 27

src/timezone/data/southamerica

@@ -22,7 +22,7 @@
 #
 # For data circa 1899, a common source is:
 # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
-# http://www.jstor.org/stable/1774359
+# https://www.jstor.org/stable/1774359
 #
 # These tables use numeric abbreviations like -03 and -0330 for
 # integer hour and minute UTC offsets.  Although earlier editions used
@@ -265,8 +265,8 @@ Rule	Arg	2008	only	-	Oct	Sun>=15	0:00	1:00	S
 #
 # Es inminente que en San Luis atrasen una hora los relojes
 # (It is imminent in San Luis clocks one hour delay)
-# http://www.lagaceta.com.ar/nota/253414/Economia/Es-inminente-que-en-San-Luis-atrasen-una-hora-los-relojes.html
-# http://www.worldtimezone.net/dst_news/dst_news_argentina02.html
+# https://www.lagaceta.com.ar/nota/253414/Economia/Es-inminente-que-en-San-Luis-atrasen-una-hora-los-relojes.html
+# http://www.worldtimezone.com/dst_news/dst_news_argentina02.html
 
 # From Jesper Nørgaard Welen (2008-01-18):
 # The page of the San Luis provincial government
@@ -385,7 +385,7 @@ Rule	Arg	2008	only	-	Oct	Sun>=15	0:00	1:00	S
 # Perhaps San Luis operates on the legal fiction that it is at -04
 # with perpetual summer time, but ordinary usage typically seems to
 # just say it's at -03; see, for example,
-# http://es.wikipedia.org/wiki/Hora_oficial_argentina
+# https://es.wikipedia.org/wiki/Hora_oficial_argentina
 # We've documented similar situations as being plain changes to
 # standard time, so let's do that here too.  This does not change UTC
 # offsets, only tm_isdst and the time zone abbreviations.  One minor
@@ -716,7 +716,7 @@ Zone	America/La_Paz	-4:32:36 -	LMT	1890
 # (Portuguese)
 #
 # We have a written a short article about it as well:
-# http://www.timeanddate.com/news/time/brazil-dst-2008-2009.html
+# https://www.timeanddate.com/news/time/brazil-dst-2008-2009.html
 #
 # From Alexander Krivenyshev (2011-10-04):
 # State Bahia will return to Daylight savings time this year after 8 years off.
@@ -725,7 +725,7 @@ Zone	America/La_Paz	-4:32:36 -	LMT	1890
 
 # In Portuguese:
 # http://g1.globo.com/bahia/noticia/2011/10/governador-jaques-wagner-confirma-horario-de-verao-na-bahia.html
-# http://noticias.terra.com.br/brasil/noticias/0,,OI5390887-EI8139,00-Bahia+volta+a+ter+horario+de+verao+apos+oito+anos.html
+# https://noticias.terra.com.br/brasil/noticias/0,,OI5390887-EI8139,00-Bahia+volta+a+ter+horario+de+verao+apos+oito+anos.html
 
 # From Guilherme Bernardes Rodrigues (2011-10-07):
 # There is news in the media, however there is still no decree about it.
@@ -751,16 +751,16 @@ Zone	America/La_Paz	-4:32:36 -	LMT	1890
 
 # From Rodrigo Severo (2012-10-16):
 # Tocantins state will have DST.
-# http://noticias.terra.com.br/brasil/noticias/0,,OI6232536-EI306.html
+# https://noticias.terra.com.br/brasil/noticias/0,,OI6232536-EI306.html
 
 # From Steffen Thorsen (2013-09-20):
 # Tocantins in Brazil is very likely not to observe DST from October....
 # http://conexaoto.com.br/2013/09/18/ministerio-confirma-que-tocantins-esta-fora-do-horario-de-verao-em-2013-mas-falta-publicacao-de-decreto
 # We will keep this article updated when this is confirmed:
-# http://www.timeanddate.com/news/time/brazil-starts-dst-2013.html
+# https://www.timeanddate.com/news/time/brazil-starts-dst-2013.html
 
 # From Steffen Thorsen (2013-10-17):
-# http://www.timeanddate.com/news/time/acre-amazonas-change-time-zone.html
+# https://www.timeanddate.com/news/time/acre-amazonas-change-time-zone.html
 # Senator Jorge Viana announced that Acre will change time zone on November 10.
 # He did not specify the time of the change, nor if western parts of Amazonas
 # will change as well.
@@ -1076,18 +1076,18 @@ Zone America/Rio_Branco	-4:31:12 -	LMT	1914
 # the following source, cited by Oscar van Vlijmen (2006-10-08):
 # [1] Chile Law
 # http://www.webexhibits.org/daylightsaving/chile.html
-# This contains a copy of a this official table:
+# This contains a copy of this official table:
 # Cambios en la hora oficial de Chile desde 1900 (retrieved 2008-03-30)
-# http://web.archive.org/web/20080330200901/http://www.horaoficial.cl/cambio.htm
+# https://web.archive.org/web/20080330200901/http://www.horaoficial.cl/cambio.htm
 # [1] needs several corrections, though.
 #
 # The first set of corrections is from:
 # [2] History of the Official Time of Chile
 # http://www.horaoficial.cl/ing/horaof_ing.html (retrieved 2012-03-06).  See:
-# http://web.archive.org/web/20120306042032/http://www.horaoficial.cl/ing/horaof_ing.html
+# https://web.archive.org/web/20120306042032/http://www.horaoficial.cl/ing/horaof_ing.html
 # This is an English translation of:
 # Historia de la hora oficial de Chile (retrieved 2012-10-24).  See:
-# http://web.archive.org/web/20121024234627/http://www.horaoficial.cl/horaof.htm
+# https://web.archive.org/web/20121024234627/http://www.horaoficial.cl/horaof.htm
 # A fancier Spanish version (requiring mouse-clicking) is at:
 # http://www.horaoficial.cl/historia_hora.html
 # Conflicts between [1] and [2] were resolved as follows:
@@ -1363,10 +1363,10 @@ Link	America/Curacao	America/Kralendijk	# Caribbean Netherlands
 # Milne says the Central and South American Telegraph Company used -5:24:15.
 #
 # From Alois Treindl (2016-12-15):
-# http://www.elcomercio.com/actualidad/hora-sixto-1993.html
+# https://www.elcomercio.com/actualidad/hora-sixto-1993.html
 # ... Whether the law applied also to Galápagos, I do not know.
 # From Paul Eggert (2016-12-15):
-# http://www.elcomercio.com/afull/modificacion-husohorario-ecuador-presidentes-decreto.html
+# https://www.elcomercio.com/afull/modificacion-husohorario-ecuador-presidentes-decreto.html
 # This says President Sixto Durán Ballén signed decree No. 285, which
 # established DST from 1992-11-28 to 1993-02-05; it does not give transition
 # times.  The people called it "hora de Sixto" ("Sixto hour").  The change did
@@ -1778,7 +1778,7 @@ Zone America/Montevideo	-3:44:44 -	LMT	1898 Jun 28
 # hours of presidential broadcasts, hours of lines,' quipped comedian
 # Jean Mary Curró ...". See: Cawthorne A, Kai D. Venezuela scraps
 # half-hour time difference set by Chavez. Reuters 2016-04-15 14:50 -0400
-# http://www.reuters.com/article/us-venezuela-timezone-idUSKCN0XC2BE
+# https://www.reuters.com/article/us-venezuela-timezone-idUSKCN0XC2BE
 #
 # From Matt Johnson (2016-04-20):
 # ... published in the official Gazette [2016-04-18], here: